What are South West monsoon?

December 6, 2020 Off By idswater

What are South West monsoon?

The period June to September is referred to as the ‘Southwest Monsoon’ period. Southwest Monsoon period is the principal rainy season for the Indian subcontinent. This is the summer monsoon period where the southwest monsoon holds away over the country.

Does Tamil Nadu receive rainfall from the southwest monsoon?

Southwest Monsoon period is the principal rainy season for the Indian subcontinent. Tamil Nadu is considered as a rain shadow region as it lies on the eastern (leaward side) side of western ghats. The total annual rainfall is maximum over the southernmost part of the state.

Why Tamil Nadu does not receive rainfall in south west monsoon season?

Answer: The Eastern Ghats are lower in altitude than the Western ghats. Due to this the monsoon rains lose its moisture on the western slopes of the Western Ghats and the rest of the plateau and the eastern ghats gets scanty rainfall. As a result Tamil Nadu (Chennai) gets less rain fall during the South West Monsoons.

What causes South West monsoon?

The monsoon is driven by the sun heating up the land and the Pacific Ocean at different rates, with land surfaces warming more quickly than the ocean. The warm land creates low-pressure zones as hot air rises. Once this pattern establishes across the region, the winds shift to fill in the vacuum.

Where does South West monsoon enters first?

The Arabian Sea Branch of the Southwest Monsoon first hits the Western Ghats of the coastal state of Kerala, India, thus making this area the first state in India to receive rain from the Southwest Monsoon.

Why Kerala has more rain than Tamil Nadu?

Answer: Chennai has more rain months than Kerala because it receives rainfall from both- South West Monsoon winds and North West Monsoon winds (during winters) but Kochi receives rainfall only from South West Monsoon winds.

Which monsoon gives rainfall to Tamil Nadu?

Thus, from October to December the coast of Tamil Nadu state receives at least half of its roughly 40 inches (1,000 mm) of annual precipitation. That rainy extension of the generally dry retreating monsoon is called the northeast, or winter, monsoon.

Where does south West monsoon enters first?

Which state has south West monsoon in India?

According to a press release by India Meteorological Department (IMD), the southwest monsoon has advanced over the entire south Arabian Sea, some parts of central Arabian Sea, Lakshadweep, Kerala, parts of coastal and south interior Karnataka, Tamil Nadu and some parts of Bay of Bengal.

When does the southwest monsoon start in Chennai?

Chennai. The period June to September is referred to as the ‘Southwest Monsoon’ period. Southwest Monsoon period is the principal rainy season for the Indian subcontinent. This is the summer monsoon period where the southwest monsoon holds away over the country.

When does withdrawal of southwest monsoon start in Jammu and Kashmir?

A dry spell for five days at a stretch, an anticyclone in lower troposphere and a drop in moisture levels indicate withdrawal of southwest monsoon. Withdrawal usually begins in Jammu and Kashmir and western parts of Rajasthan around September 1.

Which is the average monsoon rainfall in India?

Overall, the IMD has forecast a slightly wetter monsoon season across India this year, with the precipitation between June-September 2021 expected to be 101% of the Long-Period Average (the average monsoon rainfall from 1961-2010, which stands at 88 cm).

Which is the rain shadow region in Tamil Nadu?

It starts retrieving from the extreme northwest by the beginning of September, progressively receding southwards. Tamil Nadu is considered as a rain shadow region as it lies on the eastern (leaward side) side of western ghats. The total annual rainfall is maximum over the southernmost part of the state.